Tesla is solving two problems - income for people, and solving the high cost of transport. That is an incredible solution right there - beyond anything anyone is doing right now.
Lucid Motors makes great cars - luxurious and wonderful cars with amazing performance. But, they are EXPENSIVE, and they WON'T make money for their owners - only taking money. Money is a big concern for many people, and something they can buy that will make them money is a much more attractive option than something that won't.
Tesla's PowerWall setup allows someone to connect to the grid, and they can sell that energy to other people and make money that way.